﻿#region Copyright

// The contents of this file are subject to the Mozilla Public License
//  Version 1.1 (the "License"); you may not use this file except in compliance
//  with the License. You may obtain a copy of the License at
//  
//  http://www.mozilla.org/MPL/
//  
//  Software distributed under the License is distributed on an "AS IS"
//  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
//  License for the specific language governing rights and limitations under 
//  the License.
//  
//  The Initial Developer of the Original Code is Robert Smyth.
//  Portions created by Robert Smyth are Copyright (C) 2008.
//  
//  All Rights Reserved.

#endregion

using System.Windows.Media;
using NUnitGrid.Framework.Plugins;
using NUnitGrid.Framework.UI;
using NUnitGrid.ProxyServer;


namespace NUnitGrid.GridClient.Plugins.GridClient.UI.GridLoading
{
    public class GridLoadingProgressElementController : IUIChildPlugin, ITextBoxElementListener, IGridMetricsListener
    {
        private readonly IProgressBarElement progressBar;

        public GridLoadingProgressElementController(IProgressBarElement progressBar)
        {
            this.progressBar = progressBar;
        }

        public void Start(IHostView hostView)
        {
            progressBar.SetLabelText("Grid loading:");
            progressBar.SetProgress(0.0);
            progressBar.Foreground = new LinearGradientBrush(Colors.Yellow, Colors.Red, 0);
            hostView.AddChild(progressBar);
        }

        public void Stop(IHostView view)
        {
        }

        void IGridMetricsListener.OnUpdate(int busyNodesCount, int onlineNodesCount, int pendingTasksCount)
        {
            if (onlineNodesCount == 0)
            {
                progressBar.Enabled = false;
            }
            else
            {
                if (busyNodesCount > 0)
                {
                    progressBar.ShowOuterGlow();
                }
                else
                {
                    progressBar.ClearOuterGlow();
                }
                progressBar.SetProgress(((double) busyNodesCount/onlineNodesCount)*100.0);
            }
        }

        void ITextBoxElementListener.OnTextChanged(string text)
        {
            ClientSettings.Default.TestAssembly = text;
            ClientSettings.Default.Save();
        }
    }
}